Analog Devices Inc.

Low Noise Micro PMU, 3 A Buck Regulator with 3 A LDO Features: Low noise, dc power supply system High efficiency buck for first stage conversion High PSRR, low noise LDO regulator to remove switching ripple Adaptive LDO regulator headroom control option for optimal efficiency and PSRR across full load range Precision enable inputs for both the buck regulator and LDO 3 A, low noise, buck regulator Wide input voltage range: 4.2 V to 15 V Programmable output voltage range: 0.6 V to 5.0 V 0.3 MHz to 2.5 MHz internal oscillator 0.3 MHz to 2.5 MHz SYNC frequency range 3 A, low noise, NFET LDO regulator (active filter) Wide input voltage range: 0.65 V to 5 V Programmable output voltage range: 0.6 V to 3.3 V Differential point of load remote sensing 3 μV rms output noise (independent of output voltage) PSRR > 50 dB (to 100 kHz) with 400 mV headroom at 3 A Ultrafast transient response Power-good output −40°C to +125°C operating junction temperature range 32-lead, 5 mm × 5 mm, LFCSP

$57.68